Mounting and fixing structure

Abstract

The invention relates to the technical field of bathroom hardware installation, in particular to an installation fixing structure which comprises an installation main body, a body, a fixing pin assembly and a fixing base. Penetrating holes are formed in the peripheral side wall of the mounting main body, and springs and fixing pins which cooperate with each other are arranged in the penetrating holes; the body is arranged on the inner side of the installation body and can rotate relative to the installation body, a protruding block with a guide inclined face is arranged on the periphery of the body, and the protruding block ejects the fixing pin to extend out in the radial direction by rotating the body. The fixing base is buckled on the periphery of the installation body, and a first annular groove is formed in the inner wall of a containing cavity of the fixing base and used for containing the extending fixing pin to achieve axial locking. In addition, a check block is embedded in the mounting groove of the protruding part of the body and abuts against the side wall of the guide groove of the mounting body, and physical non-return is achieved. By means of the mode that radial locking is driven through rotation, part gaps are eliminated, the connecting stability and safety are improved, and loosening is effectively prevented.

Description

Technical Field

[0001] This invention relates to an installation and fixing structure, belonging to the category of bathroom products. Background Technology

[0002] In the modern home and bathroom industry, wall-mounted bathroom products such as shower rods, towel racks, and storage shelves are widely used. These products typically require specific installation and fixing structures to connect to walls or other mounting surfaces to achieve their load-bearing and functional purposes. However, existing installation and fixing structures still have some significant shortcomings in practical applications. Common fixing methods on the market often suffer from unreasonable structural design or insufficient connection strength, resulting in unstable connections. This instability makes it difficult to achieve precise positioning and fastening during installation, and after installation, due to gaps between fixing components or failure of the locking mechanism, wobbling is likely to occur. Especially during long-term use, under frequent external traction, gravitational loads, and environmental factors, existing fixing structures are prone to loosening, which not only seriously affects the user experience and product aesthetics but may also pose safety risks due to insecure connections.

[0003] Currently in the bathroom industry, the installation and fixing structures of wall-mounted products such as shower rods and towel racks are mostly unstable, which can easily cause shaking before and after installation. Summary of the Invention

[0004] This invention discloses an installation and fixing structure, which aims to solve the problems mentioned above.

[0005] The present invention adopts the following solution:

[0006] An installation and fixing structure includes: a mounting body configured to be fixed to a mounting surface, wherein the mounting body has annularly arranged through holes on its peripheral sidewalls, and a cooperating spring and a fixing pin are disposed at the through holes, the fixing pin being movable along the axial direction of the through holes, and the spring being configured to drive the fixing pin to move toward the center of the mounting body; and a body configured to be placed inside the peripheral sidewalls of the mounting body; the body being configured to rotate relative to the mounting body along its axial direction to drive the fixing pin to move toward the outside of the mounting body, thereby driving one end of the fixing pin to extend out of the outer peripheral wall of the mounting body.

[0007] In this embodiment of the invention, a fixing seat is also included. One end face of the fixing seat is recessed to form a receiving cavity. The fixing seat can be fastened to the outer periphery of the mounting body so that the mounting body is placed in the receiving cavity. The peripheral sidewall of the receiving cavity is recessed outward to form a first annular groove. The fixing pin is configured to extend out of the through hole and be placed in the first annular groove so as to axially fix the mounting body and the fixing seat.

[0008] In this embodiment of the invention, a first connecting ring is formed on one side wall of the fixing seat located on the outer periphery of the receiving cavity. The first connecting ring is configured to abut against the fixing pin to connect the fixing seat to the mounting body. A first notch is recessed outward on the inner side of the first connecting ring and is configured to communicate with a first annular groove. A limiting block is formed by protruding outward on the outer peripheral wall of the mounting body. The limiting block is configured to be guided into the first annular groove through the first notch and is also configured to rotate within the first annular groove, so that the fixing seat can rotate relative to the mounting body.

[0009] In this embodiment of the invention, an arc-shaped guide groove is formed by an outward recess on the inner side of the peripheral wall of the mounting body, and a protrusion is formed on the outer peripheral wall of the mounting body. When the mounting body is inserted into the mounting body, the protrusion is configured to only cooperate with the guide groove; when the mounting body rotates relative to the mounting body, the protrusion is configured to only move within the guide groove.

[0010] In this embodiment of the invention, the inner side of the mounting body is recessed outward to form a second annular groove, and the outer peripheral wall of the body is also provided with a protruding protrusion. When the body rotates relative to the mounting body, the protrusion is configured to move within the second annular groove, and the through hole is configured to communicate with the second annular groove.

[0011] In this embodiment of the invention, one end of the protrusion is provided with a guide slope, which is configured to connect with one end of the fixing pin. When the outer peripheral wall of the protrusion is connected to the inner end of the fixing pin, the fixing pin is pushed out through the hole. The outer peripheral wall of the protrusion is also provided with at least one stop groove, and one end of the fixing pin is configured to cooperate with the stop groove.

[0012] In this embodiment of the invention, a second connecting ring is formed on the side wall of the mounting body located on the side of the second annular groove facing away from the mounting surface. A second notch is formed by an outward recess on the inner side of the second connecting ring. The second notch is configured to communicate with the second annular groove. The protrusion is configured to be guided into the second annular groove through the second notch. When the body and the mounting body are in the first position, and the body can be inserted into or removed from the mounting body, the protrusion and the second notch are axially aligned, and one side of the protrusion is close to one side wall of the guide groove. When the body and the mounting body are in the second position, and the protrusion and the second notch are misaligned, the body and the mounting body are axially fixed and connected together.

[0013] In this embodiment of the invention, a mounting groove is provided at the protrusion, and a stop block that can rotate synchronously with the main body is provided in the mounting groove; the main body and the mounting body rotate in a first position, causing the protrusion to be misaligned with the second notch, and the stop block can be installed into the mounting groove; after the stop block is placed in the mounting groove, the rotation of the main body relative to the mounting body allows one end face of the stop block to abut against one side wall of the guide groove, and the main body cannot rotate back to the first position with the mounting body, so that the main body and the mounting body are connected together.

[0014] In this embodiment of the invention, the inner wall of the other side of the guide groove protrudes inward to form a slot, and the outer wall of the protrusion is recessed inward to form a snap-fit ​​block; the snap-fit ​​block is configured to snap into the slot so that the main body is configured not to rotate relative to the mounting body.

[0015] In this embodiment of the invention, when the snap-fit ​​block is disposed in the slot, the fixing pin can cooperate with the protrusion to push outward from the through hole, and the stop block can be installed into the mounting groove; the body rotates relative to the mounting body, causing the snap-fit ​​block to disengage from the slot, one end face of the stop block abuts against one side wall of the guide groove, and the side wall of the snap-fit ​​block abuts against the outer side wall of the slot, preventing the body from rotating relative to the mounting body, the fixing pin separates from the protrusion, and retracts outward and inward under the action of the spring.

[0016] In this embodiment of the invention, a first arc-shaped notch is provided on the side wall of the mounting body located on the outer periphery of the guide groove, and an insertion hole for inserting an operating rod is provided on the protrusion. A second arc-shaped notch corresponding to the first arc-shaped notch is provided on the outer periphery wall of the fixing seat sleeved on the outer periphery of the mounting body. The operating rod can pass through the first arc-shaped notch and / or the second arc-shaped notch and be inserted into the insertion hole to drive the body to rotate relative to the mounting body.

[0017] This invention provides an installation and fixing structure with the following advantages: First, by utilizing the mechanical principle of radial locking driven by rotation, and taking advantage of the mechanical gain generated by the rotation of the main body, the fixing pin is forcefully pushed into the first annular groove of the fixing seat through the inclined surface of the protrusion, forming a multi-point distributed radial rigid support. This eliminates the fit gap between the fixing seat and the installation body at the physical level, ensuring that the bathroom fixture remains stable under external forces from all directions, effectively solving the wobbling problem.

[0018] Secondly, the multiple positioning and anti-loosening mechanisms significantly enhance product safety. Through the triple protection of the positioning groove, locking block, and stop block, installers not only gain a clear sense of proper installation, but the physical anti-reverse action of the stop block ensures that the main body remains in the locked position even in complex bathroom environments (such as thermal expansion and contraction of materials due to temperature changes, and changes in lubrication in humid environments), preventing the risk of it rotating off on its own and greatly extending the product's lifespan.

[0019] Third, the installation process is simple and error-proof. The design of the second notch, protrusion, and guide groove between the mounting body and the main body ensures that the components can only be assembled under the correct phase, avoiding the possibility of incorrect installation. At the same time, the cooperation of the operating lever and multiple arc-shaped notches makes it easy to complete the high-torque locking operation even in the narrow bathroom space, without the need for complicated professional tools.

[0020] Fourth, the concealed design of the structure enhances aesthetics. All locking components are located inside the receiving cavity of the fixing base, with only a tiny operating hole or complete external covering, avoiding rusting problems caused by exposed screw heads and a visually unsightly appearance, meeting the high aesthetic requirements of modern bathroom decoration. The automatic reset function of the fixing pin under the action of spring force also makes the disassembly process simple and quick. Simply remove the stop block and rotate the body in the opposite direction, and the fixing pin will automatically retract, achieving non-destructive disassembly.

[0021] In summary, through ingenious component spatial layout and motion conversion logic, a highly stable, safe, and easy-to-operate installation and fixing solution is provided, which has extremely high practical value and market promotion prospects. Attached Figure Description

[0022] To more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram after installation in an embodiment of the present invention.

[0024] Figure 2 This is a schematic diagram of inserting the operating lever in an embodiment of the present invention.

[0025] Figure 3 This is a schematic diagram of the structure of the fixing base in an embodiment of the present invention.

[0026] Figure 4 This is a schematic diagram of the structure of the main body in an embodiment of the present invention. Figure 1 .

[0027] Figure 5 This is a schematic diagram of the structure of the main body in an embodiment of the present invention. Figure 2 .

[0028] Figure 6 This is a schematic diagram of the installation body in an embodiment of the present invention. Figure 1 .

[0029] Figure 7 This is a schematic diagram of the installation body in an embodiment of the present invention. Figure 2 .

[0030] Figure 8 This is a schematic diagram of the main body being installed in the mounting body according to an embodiment of the present invention.

[0031] Figure 9 This is a schematic diagram of the main body after it has been installed in the mounting body according to an embodiment of the present invention.

[0032] Figure 10 This is a schematic diagram of the fixed base and the mounting body after they are connected in an embodiment of the present invention.

[0033] 1. Mounting body; 2. Main body; 3. Fixing base; 4. Fixing pin; 5. Spring; 6. Through hole; 7. Receiving cavity; 8. First annular groove; 9. First connecting ring; 10. First notch; 11. Limiting block; 12. Guide groove; 13. Protrusion; 14. Second annular groove; 15. Protrusion; 16. Guide slope; 17. Gear slot; 18. Second connecting ring; 19. Second notch; 20. Mounting groove; 21. Stop block; 22. Slot; 23. Snap-fit ​​block; 24. First arc-shaped notch; 25. Insertion hole; 26. Second arc-shaped notch; 27. Operating lever; 28. Metal plate. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0035] Referring to the accompanying drawings, in the installation of bathroom hardware, such as the wall mounting of shower rods, towel racks, or shelves, the structural stability directly affects the product's lifespan and user safety. This embodiment provides an installation and fixing structure that, through a mechanically linked radial locking mechanism and a multi-layered physical interference anti-loosening design, eliminates the wobbling and loosening hazards common in traditional installation structures.

[0036] The mounting and fixing structure of this embodiment first includes a mounting body 1 that serves as a base support. The bottom surface of the mounting body 1 is provided with bolt holes for rigidly fixing it to a mounting surface such as a wall using expansion screws or self-tapping screws. The mounting body 1 is generally a cylindrical shell structure, with at least two through holes 6 arranged at equal angles along its circumference on its sidewalls. In a preferred embodiment, the number of through holes 6 is configured to be three, forming a stable force-bearing plane with three-point support. Each through hole 6 contains a locking assembly consisting of a spring 5 and a fixing pin 4. The cross-sectional dimension of the fixing pin 4 forms a clearance fit with the inner diameter of the through hole 6, so that the fixing pin 4 is geometrically constrained by the inner wall of the through hole 6 and only performs reciprocating linear displacement along the axial direction of the through hole 6, without disengaging from the through hole. The spring 5 is sleeved on the outer periphery of the fixing pin 4, with one end abutting against the stepped surface in the middle of the fixing pin 4 and the other end abutting against the sidewall of the mounting body 1 beside the through hole 6. In the initial state, the spring 5 is in a pre-compressed state, and the elastic force it releases continues to act on the fixing pin 4, driving the fixing pin 4 to retract towards the central axis of the mounting body 1, so that the outer end of the fixing pin 4 is completely hidden inside the through hole 6 and does not exceed the outer circumference of the mounting body 1.

[0037] The outer diameter of the main body 2 is slightly smaller than the inner diameter of the mounting body 1, allowing the main body 2 to be accommodated within the space of the peripheral sidewall of the mounting body 1. The main body 2 has a controlled degree of freedom to rotate within the mounting body 1 along its axial direction; that is, the angle of rotation of the main body relative to the mounting body is restricted. Protrusions 15 are integrated on the outer peripheral wall of the main body 2, the number of which corresponds to the number of through holes 6 and fixing pins 4. During the rotation of the main body 2, the protrusions 15 rotate within the mounting body 1. Through the physical contact between the protrusions 15 and the inner end of the fixing pins 4, the circumferential rotational torque of the main body 2 is converted into a radial thrust of the fixing pins 4, causing the fixing pins 4 to extend out of the through holes.

[0038] To achieve axial positioning and rotational path guidance between the mounting body 1 and the main body 2, the inner sidewall of the mounting body 1 is recessed outward to form a second annular groove 14. Simultaneously, on the side of the second annular groove 14 facing away from the mounting surface, the sidewall of the mounting body 1 extends to form a second connecting ring 18. This second connecting ring 18 has a second notch 19 (formed with an inward-outward recess), the circumferential width of which matches the protrusion 15 on the main body 2. During assembly, the protrusion 15 is axially guided into the second annular groove 14 via the second notch 19. Once the main body 2 rotates relative to the mounting body, the protrusion 15 enters the lower inner side of the second connecting ring 18. Because the second connecting ring 18 physically stops the protrusion 15 axially, it ensures a stable axial connection between the main body 2 and the mounting body 1, allowing only limited angular rotation when the two are mounted together.

[0039] The protrusion 15 has a guide ramp 16 at its front end in the direction of rotation. When the body 2 rotates relative to the mounting body 1, the guide ramp 16 gradually contacts the inner end of the fixing pin 4 and slides relative to it. As the rotation angle increases, the thickness of the guide ramp 16 gradually increases, using the principle of ramp force amplification to overcome the resistance of the spring 5 and push the fixing pin 4 radially outward. When the fixing pin 4 slides past the guide ramp 16 and enters the flat outer circumferential surface of the protrusion 15, the outer end of the fixing pin 4 protrudes from the through hole 6 and protrudes from the outer wall of the mounting body 1. In addition, a stop groove 17 is machined on the outer wall of the protrusion 15. When the body 2 rotates to the predetermined locking position, the inner end of the fixing pin 4 automatically engages in the stop groove 17 under the pressure of the spring 5. This engagement not only provides the installer with a clear feedback of being in place, but also uses the side wall of the stop groove 17 to circumferentially limit the fixing pin 4, thus initially preventing the body 2 from rotating on its own.

[0040] This structure also includes a mounting base 3 for supporting external decorations or components of bathroom fixtures. This mounting base can be a towel rack or for connecting and fixing a shower rod. One end face of the mounting base 3 is provided with a receiving cavity 7, the opening of which faces the wall (mounting surface), and its inner diameter is sufficient to fit around the outer periphery of the mounting body 1. A first annular groove 8 is machined on the inner side wall of the receiving cavity 7. When the mounting base 3 is fastened onto the mounting body 1 and the fixing pin 4 is pushed out by the body 2, the outer end of the fixing pin 4 enters the first annular groove 8. Through the mutual abutment between the fixing pin 4 and the side wall of the first annular groove 8, axial locking between the mounting base 3 and the mounting body 1 is achieved, thus connecting the mounting base and the mounting body together.

[0041] To improve the installation efficiency of the mounting base 3 and achieve pre-positioning, a first connecting ring 9 is provided on the open end sidewall of the mounting base 3, and a first notch 10 is provided on the first connecting ring 9. Correspondingly, a limiting block 11 is raised on the outer peripheral wall of the mounting body 1. When installing the mounting base 3, the limiting block 11 passes through the first notch 10 and enters the first annular groove 8. Subsequently, by rotating the mounting base 3, the limiting block 11 moves within the first annular groove 8 and is misaligned with the first notch 10 in the circumferential direction, thereby initially mounting the mounting base 3 onto the mounting body 1 and preventing it from accidentally falling off during subsequent operations.

[0042] This structure also features precise rotational stroke control and anti-reverse rotation protection mechanisms. An arc-shaped guide groove 12 is formed by an outward indentation on the inner side of the peripheral wall of the mounting body 1. A corresponding protrusion 13 is provided on the outer peripheral wall of the body 2. The protrusion 13 can only move within the guide groove 12. The end faces at both ends of the guide groove 12 provide circumferential limiting to the protrusion 13, strictly controlling the rotational stroke of the body 2 and restricting the angle at which the body is inserted into the mounting body. A mounting groove 20 is machined on the side wall of the protrusion 13. This mounting groove 20 is used to accommodate the stop block 21, and the arc length of the mounting groove is less than the arc length of the stop block. When the body 2 rotates to the locked position (i.e., the position where the fixing pin 4 is pushed out and engaged in the stop groove 17), the stop block 21 is configured to be inserted into the mounting groove 20. In other words, when the body is inserted into the mounting body, the arc length of the mounting groove and the dimension of one end of the guide groove are less than the dimension of the stop block, making it impossible to insert the stop block at this time. At this point, one end face of the stop block 21 forms a tight physical contact with the inner wall of one side of the guide groove 12. Since the stop block 21 fills the rotation gap between the protrusion 13 and the side wall of the guide groove 12, the main body 2 loses the space to rotate back to the initial disassembly position, thereby achieving a rigid anti-reverse locking of the structure, keeping the protrusion and the second notch in a misaligned state, and preventing the main body from being separated from the installation body.

[0043] To further enhance the reliability of the locking mechanism, a slot 22 is provided on the inner wall of the guide groove 12, which protrudes inward, while a locking block 23 is provided on the outer wall of the protrusion 13. During the rotation of the body 2 to the locked position, the locking block 23 is subjected to force, causing a slight elastic deformation of the body and ultimately locking into the slot 22, forming an interference fit similar to a snap-fit. Because the body is a ring-shaped component, it can achieve slight deformation, and a metal plate 28 can be added to the inner circumference of the body. This design ensures that even without the stop block 21 installed, the body 2 has a certain resistance to vibration and loosening. When the stop block 21, the locking block 23, and the locking groove 17 work together, the entire fixing structure forms an interlocking system, ensuring extremely high connection strength.

[0044] In actual operation, this embodiment uses an operating lever 27 (which can be an internal hexagonal screw) to drive the internal components. The side wall of the mounting body 1 has a first arc-shaped notch 24, and the corresponding side wall of the fixing seat 3 has a second arc-shaped notch 26. The protrusion 13 of the body 2 has an insertion hole 25. The operator passes the operating lever 27 sequentially through the second arc-shaped notch 26 and the first arc-shaped notch 24, and inserts it into the insertion hole 25. By moving the operating lever 27, the body 2 can be easily rotated relative to the mounting body. The arc lengths of the first arc-shaped notch 24 and the second arc-shaped notch 26 are configured to provide sufficient swing space for the operating lever 27 to complete its entire locking stroke.

[0045] Based on the above structure, the complete operation process of this installation and fixing structure is described as follows: S1. Basic Assembly: Prepare the mounting body and the corresponding number of retaining pins and springs. Insert the retaining pins and springs into the corresponding through holes. Then, install the main body into the mounting body. Due to the action of the protrusions and raised parts, the main body can only be inserted into the mounting body from one direction. At this time, the two can be axially separated. The main body is in the first position, i.e., the unlocked state. Refer to the attached diagram in the instruction manual. Figure 8 As long as the main body and the mounting body rotate, causing the protrusion to rotate within the second annular groove, the protrusion and the second notch will be misaligned, and the main body will be connected to the mounting body.

[0046] S2. Preventing Rotation: Insert the operating lever into the socket through the first arc-shaped notch, rotate the main body clockwise (keeping the mounting body stationary), causing the locking block to engage in the slot. Then, install the stop block into the mounting groove. One end of this stop block is still some distance from one end of the guide groove. Refer to the attached diagram in the instruction manual. Figure 9 At this point, the fixing pin is pushed out of the hole; then the operating lever is driven in the opposite direction to make the body rotate in the opposite direction until one end of the stop block abuts against one end of the guide groove. At this point, the body can no longer rotate and the fixing pin retracts. In one embodiment, in this state, the snap-fit ​​block rotates out of the snap-fit ​​groove and the body cannot return to the first position. That is to say, after the stop block is installed, the body and the installation body cannot be separated.

[0047] S3. Foundation Fixing: The installer first determines the wall installation location, aligns the main body of the device with the wall, and uses bolts to pass through the base holes to secure it to the wall, ensuring that the main body of the device does not shift. At this time, the fixing pin is in a retracted state under the action of the spring, retracting into the through hole, so that the first arc-shaped notch faces downward.

[0048] S4. Mounting the Fixture: Align the receiving cavity of the fixture with the mounting body, align the limiting block on the mounting body with the first notch on the fixture, and push it axially in. After the limiting block enters the first annular groove 8, slightly rotate the fixture to misalign the limiting block with the first notch, completing the initial mounting of the fixture 3. At this time, adjust the angle of the fixture so that the second arc-shaped notch is radially aligned with the first arc-shaped notch on the mounting body and is also facing downwards.

[0049] S5. Drive Locking: Pass the operating lever through the second arc-shaped notch and the first arc-shaped notch, and insert it into the socket of the main body. The operator moves the operating lever, driving the main body to rotate clockwise within the second annular groove. As the rotation proceeds, the guide ramp of the protrusion begins to press against the inner end of the fixing pin.

[0050] S5. Radial Locking: As the main body continues to rotate, the fixing pin overcomes the resistance of the spring and moves radially outward along the through hole. Its outer end gradually extends out of the outer wall of the mounting body and enters the first annular groove of the fixing seat. When the main body rotates to the second position (end of stroke), the inner end of the fixing pin precisely falls into the stop groove on the protrusion, and at the same time, the locking block on the protrusion is forcibly locked into the slot of the mounting body (after the operating lever is pulled out, the main body will not be able to rotate again). At this time, the fixing seat is completely locked axially with the mounting body by the fixing pin, eliminating the wobble gap; finally, remove the operating lever to complete the entire installation process. Refer to the attached diagram in the instruction manual. Figure 10 .

[0051] Specifically, the perforation can be stepped to fit with the fixing pin, which also has a step. Specifically, the inner end of the fixing pin is hemispherical. When the body is in the locked state, the hemispherical feature can smoothly move into the stop groove by utilizing the feature of the guide slope, thereby realizing the key movement process of the fixing pin being pushed outward after gradually being stressed.

[0052] The installation and fixing structure described in this embodiment achieves a leap from point-contact locking to multi-point distributed surface contact locking through the radial expansion of the fixing pin 4 driven by the rotation of the main body 2. The mating area between the fixing pin 4 and the first annular groove 8 is much larger than that of a traditional set screw, thus enabling it to withstand greater shear and pull-out forces. Simultaneously, the multi-level anti-loosening system composed of the stop block 21, the stop groove 17, and the locking groove 22 ensures that the locking mechanism will not experience physical displacement under long-term vibration or humid conditions. Furthermore, the cooperation between the first connecting ring 9 and the limiting block 11, and the cooperation between the operating rod 27 and the two arc-shaped notches (24, 26), makes the entire installation process highly forgiving and convenient, achieving high-precision and stable installation without the need for complex professional tools. This structure is not only suitable for bathroom products but can also be extended to other building hardware fields requiring high-strength concealed fixing connections.

[0053] The foregoing description illustrates and describes preferred embodiments of the present invention. As previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. An installation and fixing structure, characterized in that, include: The mounting body is configured to be fixed on the mounting surface. The mounting body has perforations arranged in a ring on its peripheral sidewalls. A matching spring and a fixing pin are arranged at the perforations. The fixing pin can move along the axial direction of the perforation. The spring is configured to drive the fixing pin to move toward the center of the mounting body. The body is configured to be placed inside the peripheral sidewall of the mounting body; The body is configured to rotate relative to the mounting body along its axial direction to drive the fixing pin to move outward toward the mounting body, causing one end of the fixing pin to extend outward from the outer peripheral wall of the mounting body.

2. The installation and fixing structure according to claim 1, characterized in that, It also includes a fixing seat, one end face of which is recessed to form a receiving cavity. The fixing seat can be fastened to the outer periphery of the mounting body so that the mounting body is placed in the receiving cavity. The peripheral sidewall of the receiving cavity is recessed outward to form a first annular groove. The fixing pin is configured to extend out of the through hole and be placed in the first annular groove so as to axially fix the mounting body and the fixing seat.

3. The installation and fixing structure according to claim 2, characterized in that, A first connecting ring is formed on one side wall of the fixing seat located on the outer periphery of the receiving cavity. The first connecting ring is configured to abut against the fixing pin to connect the fixing seat to the mounting body. A first notch is recessed outward on the inner side of the first connecting ring. The first notch is configured to communicate with a first annular groove. A limiting block is formed by an outward protrusion on the outer peripheral wall of the mounting body. The limiting block is configured to be guided into the first annular groove through the first notch. At the same time, the limiting block is configured to rotate within the first annular groove so that the fixing seat can rotate relative to the mounting body.

4. The installation and fixing structure according to any one of claims 1-3, characterized in that, The inner side of the mounting body is recessed outward to form an arc-shaped guide groove, and the outer side of the body is convex outward to form a protrusion. When the body is inserted into the mounting body, the protrusion is configured to only cooperate with the guide groove; when the body rotates relative to the mounting body, the protrusion is configured to only move within the guide groove.

5. The installation and fixing structure according to claim 4, characterized in that, The inner side of the mounting body is recessed outward to form a second annular groove, and the outer peripheral wall of the body is also provided with a protruding protrusion. When the body rotates relative to the mounting body, the protrusion is configured to move within the second annular groove, and the through hole is configured to communicate with the second annular groove.

6. The installation and fixing structure according to claim 5, characterized in that, One end of the protrusion is provided with a guide slope, which is configured to connect with the inner end of the fixing pin. When the outer peripheral wall of the protrusion is connected to the inner end of the fixing pin, the fixing pin is pushed out through the hole. The outer side wall of the protrusion is also provided with at least one stop groove, and the inner end of the fixing pin is configured to cooperate with the stop groove.

7. The installation and fixing structure according to claim 6, characterized in that, A second connecting ring is formed on the side wall of the mounting body located on the side of the second annular groove opposite to the mounting surface. The inner side of the second connecting ring is recessed outward to form a second notch. The second notch is configured to communicate with the second annular groove. The protrusion is configured to be guided into the second annular groove through the second notch. When the body and the mounting body are in the first position, and the body can be inserted into or removed from the mounting body, the protrusion and the second notch are axially aligned, and one side of the protrusion is close to one side wall of the guide groove. When the body and the mounting body are in the second position, and the protrusion and the second notch are misaligned, the body and the mounting body are axially fixed and connected together.

8. The installation and fixing structure according to claim 7, characterized in that, The protrusion is provided with a mounting groove, and a stop block that can rotate synchronously with the main body is provided in the mounting groove. When the main body and the mounting body are in the first position and rotate, the protrusion and the second notch are misaligned, and the stop block can be installed into the mounting groove. After the stop block is placed in the mounting groove, the rotation of the main body relative to the mounting body can make one end face of the stop block abut against one side wall of the guide groove, and the main body cannot rotate back to the first position with the mounting body, so that the main body and the mounting body are connected together.

9. The installation and fixing structure according to claim 8, characterized in that, The inner wall of the other side of the guide groove protrudes inward to form a slot, and the outer wall of the protrusion is recessed inward to form a locking block; the locking block is configured to be able to be locked into the slot so that the main body is configured not to rotate relative to the mounting body.

10. The installation and fixing structure according to claim 9, characterized in that, When the snap-fit ​​block is positioned in the slot, the fixing pin can engage with the protrusion and push outward from the through hole, and the stop block can be installed into the mounting groove; the main body rotates relative to the mounting body, causing the snap-fit ​​block to disengage from the slot, one end face of the stop block abuts against one side wall of the guide groove, and the side wall of the snap-fit ​​block abuts against the outer side wall of the slot, preventing the main body from rotating relative to the mounting body, the fixing pin separates from the protrusion, and retracts outward and inward under the action of the spring.

11. An installation and fixing structure according to any one of claims 5-10, characterized in that, A first arc-shaped notch is provided on the side wall of the mounting body located on the outer periphery of the guide groove. The protrusion is provided with a socket for inserting an operating rod. A second arc-shaped notch is provided on the outer periphery of the fixing seat sleeved on the outer periphery of the mounting body, which corresponds to the first arc-shaped notch. The operating rod can pass through the first arc-shaped notch and / or the second arc-shaped notch and be inserted into the socket to drive the body to rotate relative to the mounting body.

Images